Engine Block Filler; 4 1-Gallon Containers;
- Just fill with water, mix and pour into block before machining
- Helps prevent thin cylinder walls from cracking and improves ring seal by keeping cylinders round
- Also dampens unwanted vibrations
- Has expansion rate very similar to cast-iron
- Highly regarded by "Mountain Motor" authority Scott Shafiroff
- Easy to follow, detailed instructions
California Proposition 65 Warning: Cancer and reproductive harm. See www.P65Warnings.ca.gov.